FlushAsync Method

TextWriter.FlushAsync Method ()

.NET Framework 4.6 and 4.5

Asynchronously clears all buffers for the current writer and causes any buffered data to be written to the underlying device.

Namespace:   System.IO
Assembly:  mscorlib (in mscorlib.dll)

[HostProtectionAttribute(SecurityAction.LinkDemand, ExternalThreading = true)]
public virtual Task FlushAsync()

Return Value

Type: System.Threading.Tasks.Task

A task that represents the asynchronous flush operation.

Exception Condition

The text writer is disposed.


The writer is currently in use by a previous write operation.

Universal Windows Platform
Available since 4.5
.NET Framework
Available since 4.5
Portable Class Library
Supported in: portable .NET platforms
Windows Phone Silverlight
Available since 8.0
Windows Phone
Available since 8.1
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